If you're looking to enhance the reliability of your engine's valve system, the Manley Valve Lock/Keeper is an excellent choice. This specific model, part number 13171T-8, is designed to fit a variety of domestic vehicles, ensuring that your engine performs at its best.
The Manley Valve Lock/Keeper is engineered for durability and precision. Its 10-degree design ensures a secure fit, which is crucial for maintaining optimal valve operation. This component helps to keep the valves in place during high-performance situations, reducing the risk of valve float and ensuring a smoother engine operation.
This valve lock/keeper is designed for universal fitment but is particularly well-suited for various domestic vehicle applications. It's always a good idea to double-check compatibility with your specific make and model to ensure a perfect fit.
Customers have praised the Manley Valve Lock/Keeper for its robust construction and reliable performance. Many users report improved valve stability and overall engine efficiency after installation. Here's what some satisfied customers have said:
"The Manley Valve Locks have made a noticeable difference in my engine's performance. Highly recommend!" - Verified Buyer
"Great quality and fit. These locks keep my valves in place even under high RPMs." - Engine Enthusiast
When it comes to maintaining your engine's performance, trust the Manley Valve Lock/Keeper to deliver the reliability you need. Make sure to do your research and confirm compatibility with your vehicle for the best results!
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Manley Performance, formerly called Manley Speed Equipment, was established in 1966 by Hank Manley shortly after his graduation from Brown University. His interest in the performance and racing traced back to 1960 when, at age 17, he rebuilt a 312 CID Ford V8 engine, installed a camshaft and three two-barrel carbs, and raced a ’56 Thunderbird on New Jersey’s streets. Initially, the company’s product lineup included stainless valves, lifters, camshafts, forged pistons, vanadium valve springs, pushrods, and timing chain kits. By 1998, Manley had outgrown its first Bloomfield, New Jersey facility and bought several acres in Lakewood, New Jersey. It was around this time that the brand’s name formally changed to Manley Performance. Nearly a decade later, the production space doubled in size.
Evolving in the Automotive SpaceLed by GM Michael Tokarchik in 2002, Manley entered the high-performance passenger car market as an OEM supplier of connecting rods for the 2003/2004 Ford SVT Mustang Cobra. Production reached 2500 rods per week without missing a single delivery date. Ford awarded Manley its highest ever supplier rating. Manley’s presence in the OEM market continued from there as a supplier for the Ford GT. After nearly 50 years since its inception, Manley continues to be globally recognized as the leading manufacturer of performance valves, connecting rods, cylinder head components, pushrods, drive and oil systems, and several other engine parts.
What is Manley’s Specialty?Manley Performance specializes in high-performance engine internals that range from stock replacements to full-on race applications. They have been the standard of the industry since their inception; a fact that still remains true now as they have ventured into new markets. Today, Manley Performance continues to re-define itself in a high-performance aftermarket industry that is constantly evolving. The brand has developed a wide range of new products for growing markets that include sport compact, Ford modular, and Chevy LS. Manley also maintains its leadership role with the traditional V8 engine business.
Get Manley Performance at Vivid RacingIf you are in need of a serious upgrade to your engine, then Manley Performance parts should be on your list. Like all of our suggested manufacturers, Manley uses the best materials available to ensure a quality part for your engine. We carry Manley connecting rods, crankshafts, pistons, and valve components. The large lineup of domestic parts includes sport compact vehicles, Ford modular engines, GM’s LS series internals, and HEMI product upgrades for Chrysler.
If you can’t find what you’re looking for or need help choosing the right part for your car, call our sales team at (480) 966-3040. We are here to make your buying experience a breeze.